president obama was a young man when this all happened. his wife was born after president kennedy was assassina assassinated. in 2008, when senator kennedy and caroline kennedy endorsed -- both of these presidents right here, clinton and obama, have a connection to the kennedy family that's been important to them politically. and they thought it was important to do this today. >> and i heard you say that over the last half century or so, the political history of the u.s. is the history of the kennedy family. >> if you just look back, if you think about it, we always talk about expectations of the moment. well, when jack kennedy ran for the presidency, it wasn't supposed to be him. it was supposed to be his older brother, joe, who was killed in the war. after jack kennedy was assassinated, the torch passed to bobby kennedy. he was assassinated. ted kennedy ran for president and never quite made it. but you have the legislative perspective. and the republicans who served with him, don't disagree with this, the most accomplished united states